Highland, H. J. (1960). The how and why wonder book of planets and interplanetary travel. Transworld Publishers.
Chicago Style (17th ed.) CitationHighland, Harold J. The How and Why Wonder Book of Planets and Interplanetary Travel. London: Transworld Publishers, 1960.
MLA (9th ed.) CitationHighland, Harold J. The How and Why Wonder Book of Planets and Interplanetary Travel. Transworld Publishers, 1960.
Warning: These citations may not always be 100% accurate.